Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
det| 12 5 ; 1 13 | = 151
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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iħ ∂ψ/∂t = Ĥψ
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
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\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 1 1 ; 5 2 | = -3
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d/dr [r^12] = 12r^11
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d/dt [t^11] = 11t^10
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